O’Fallon, IL wastewater treatment plant Improvements – Phase 2

O’Fallon, Illinois

Project Cost

$15.44M

Completion

2024

Client

City of O’fallon, ILlinois

About

HMG designed and supported construction of Phase 2 wastewater improvements, including tertiary filtration, sludge pumping, aerobic digestion, and a new dewatering and storage facility with rotary screw presses.

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Phase 2 of this multi-phase project includes installation of compressed synthetic media tertiary filters, a new WAS/RAS sludge pump station, conversion of an existing package plant into an aerobic digester, a digested sludge pump station, and a sludge dewatering and storage facility. The facility features two rotary screw presses with a conveyor system that transports dewatered sludge to a covered storage and loading area for landfill disposal.

Services Provided

  • Filtration & sludge dewatering pilot studies

  • IEPA loan application assistance

  • Design and bidding support

  • Construction guidance and observation

  • Commissioning services